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hot-sale osp pcb immersion bulk production for wholesale

hot-sale osp pcb immersion bulk production for wholesale
  • hot-sale osp pcb immersion bulk production for wholesale

hot-sale osp pcb immersion bulk production for wholesale

A-TECH CIRCUITS Co., Ltd. stands out than other enterprises in the osp pcb field.
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Product Details
With a focus on quality, A-TECH pays great attention to the details of PCB prototype.
Company Advantages
1. A-TECH osp pcb is treated with professional dying technique. The coloring agent is evenly distributed to the materials by the means of mechanical heating method.
2. The stipulate strict quality inspection through the whole process guarantees the product is of the quality that meets the industry standard.
3. The application of carbon ink pcb gives rise to the greater performance of osp pcb .
4. A-TECH CIRCUITS Co., Ltd. aims to provide clients with competitively priced osp pcb .
5. As a dominant osp pcb supplier, A-TECH focus on its customer service.

Immersion Tin, or Chemical Tin, it’s a RoHS Compliant metallic finish deposited by a chemical displacement reaction that is applied directly over the basis metal of the circuit board, the immersion Tin protects the underlying copper from oxidation over it’s intended shelf life, copper and tin however have a strong affinity for one another, the diffusion of one metal into the other will occur inevitably, directly impacting the shelf life of the deposit and the performance of the finish. The negative effects of tin whiskers growth are well described in industry related literature and topics of several published papers.

The typical thickness of Immersion Tin is ≥1.0UM and the shelf life is 6 months. The cost of Immersion Tin is more expensive than HASL but less expensive than Immersion Gold and close to Immersion Silver. Similar to Immersion Silver, Immersion Tin is also sensitive in handling and storage, it requires PCB manufacturers to control and pack PCBs with Imm Tin more carefully.

The advantages of Immersion Tin

● Excellent flatness
● Mid range cost for lead free finish
● Good for fine pitch / BGA / smaller components
● Top choice for press fit technology
● Reworkable

The disadvantages of Immersion Tin

● Very sensitive to handling – gloves must be used
● Exposed Tin on final assembly can corrode
● Not good for multiple reflow/assembly processes
● Aggressive to soldermask – soldermask dam should be more than 5mil
● Baking prior to use can have a negative effect

A-TECH is capable of using Immersion Tin, we make the profile and electrical test before the process of Immersion Tin finish, and we use papers to separate each piece of boards to avoid scratches during package and transportation.

Company Features
1. A-TECH CIRCUITS Co., Ltd. stands out than other enterprises in the osp pcb field.
2. A-TECH CIRCUITS Co., Ltd. has ISO9001:2000 quality system certification, with strict and perfect quality assurance system.
3. A-TECH intends to be a global immersion gold pcb exporter. Call! A-TECH CIRCUITS Co., Ltd. always adhere to the 'customer first'. Call! With the great fantasy of becoming an outstanding carbon pcb maker, A-TECH will work harder to enhance customer satisfaction. Call! A-TECH CIRCUITS Co., Ltd. will enhance the reputation of enig pcb products. Call!
In the manufacture of A-TECH carbon pcb, a range of techniques are used, from the ultra-traditional cutting of metal using a saw, through soldering, into lost-wax casting. This product provides a complete luxury experience and incredible ambiance
The quality of A-TECH enig pcb is constantly monitored by using advanced measuring equipment such as a wide range of height, bore, and other gaging equipment, and hardness tester equipment. This product has the advantage of low energy consumption
Concerning the design of A-TECH carbon pcb, it always uses the updated design concept and follows the ongoing CAD design trend. This product helps increased vitamin D in the human body
The design of A-TECH carbon ink pcb involves 3D imaging, which refers to both the tools and the process for the collection of 3D digital data from physical objects. Its heat dissipation system makes users feel comfortable in the tanning experience
Some components or parts of A-TECH immersion gold pcb are sourced from suppliers who have a reliable and good reputation in catering tools industry. These suppliers all hold food safety certifications. This product can emit ultraviolet radiation to produce a cosmetic tan
The quality of the product has been effectively improving. Its special light can penetrate deep into the skin and increases the body’s own production of collagen
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